Experimental Investigations and Validation of a New Material Model Developed for Mansory Bricks

Linse, Tobias; Gebbeken, Norbert; Araújo, Tiago Lopes de; Silva, R. M.

doi:10.5151/meceng-wccm2012-18188

Cited by 1 publication

(2 citation statements)

References 8 publications

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“…As a result, a common approach to design dynamic loading is to conduct a linear static analysis of a particular masonry panel or structure and apply dynamic increase factors (DIFs) to the nominal strength of the masonry units and mortar. Such factors are derived from experimental tests [6] and are used to obtain an equivalent static representation of the dynamic structural response [7]. It is also possible to simplify the system into an equivalent single degree of freedom to derive panel endrotations and global displacements.…”

Section: Current Modelling Approaches For Dynamic And/or Out-of-planementioning

confidence: 99%

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Uncertainty in the numerical modelling of masonry triplet tests under dynamic loading

Puchades¹,

Judge²,

Beattie³

2016

Int. J. SAFE

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Masonry structures have been broadly used worldwide for centuries. These structures are likely to be subjected to seismic movements, malicious or accidental blast and/or impact loading. Expanding the current body of knowledge of how masonry structures perform under such conditions and developing reliable and robust modelling techniques is essential to improve both the efficiency and safety of the design and retrofitting of such structures. A great deal of research is currently ongoing to understand the behaviour of masonry under shock and impact loading, and this is proving to be a challenging endeavour. Masonry construction on the whole is surrounded by a high degree of variability ranging from the heterogeneity of the materials used, the degree of workmanship during construction and the uncertainty regarding the physical and mechanical properties of the brick-to-mortar interface. Masonry is known to experience a dynamic enhancement of its strength properties when subjected to impact loading and dynamic increase factors (DIFs) have been used to adjust static masonry properties accordingly when subjected to this type of loading. These DIFs are derived from sparse experimental tests and their use can be severely limited to the conditions of the tests performed, and the results obtained can carry a high degree of uncertainty. This paper considers the uncertainty present at the brick-to-mortar interface, by using Monte Carlo simulations, when subjected to dynamic loading in a standard triplet test using LS-DYNA. The results of the modelling have been compared, contrasted and discussed for use in a larger research project on the robust characterisation of masonry structures when subjected to blast and seismic loading.

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Section: Current Modelling Approaches For Dynamic And/or Out-of-planementioning

confidence: 99%

“…Several authors [6,8,12,13] have identified the need for continuing development of these numerical modelling approaches to appropriately consider the variability present in masonry construction and its non-linear behaviour to give the most accurate predictions [3].…”

Section: Current Modelling Approaches For Dynamic And/or Out-of-planementioning

confidence: 99%

Uncertainty in the numerical modelling of masonry triplet tests under dynamic loading

Puchades¹,

Judge²,

Beattie³

2016

Int. J. SAFE

View full text Add to dashboard Cite

show abstract

Experimental Investigations and Validation of a New Material Model Developed for Mansory Bricks

Cited by 1 publication

References 8 publications

Uncertainty in the numerical modelling of masonry triplet tests under dynamic loading

Uncertainty in the numerical modelling of masonry triplet tests under dynamic loading

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